Sash construction



June 26, 1934. w s HAMM SASH CONSTRUCTION Original Filed March 5, 1930 [206 0r- WzZZZam 6170772 in, W

Patented June 26, 1934 UNITED STATES SASH CONSTRUCTION William S. Hamm, Elkhart, Ind, assignor to The Adlake Company, Chicago, 111., a corporation of Illinois Original application March 5, 1930, Serial No.

433,255. Divided and this application December 30, 1932, Serial No. 649,543

7 Claims.

The present invention relates to sash construction, and has for its object the provision of improved means for rendering a vertically slidable sash weatherproof.

This application is a division of application Serial No. 433,255 which was filed March 5, 1930 and which issued on January 3, 1933 as Patent No. 1,892,887. Other more specific objects and advantages of the invention will be apparent upon a full understanding of the improved weatherproofing means.

In order that the invention may be readily understood, one embodiment of the same is presented herein, but it will of course be appreciated that such embodiment is intended primarily for the purpose of illustration and that the invention is susceptible of being incorporated in other modified forms coming equally within the scope of the appended claims.

In the accompanying drawing:

Fig. 1 is a vertical section through a car window constructed in accordance with the invention;

Fig. 2 is a horizontal section through one side of the window;

Fig. 3 is a detail section, taken on the line 3-3 of Fig. 1, showing one of the devices employed for locking the sash-parting and curtain guiding strips against the post plates;

Fig. 4 is a face view of the leaf spring used in each of the locking devices;

Fig. 5 is a detail section, taken on the line 55 of Fig. 1, showing one of the devices employed for indexing the retaining strips with respect to the post plates;

Fig. 6 is a fragmentary lower corner view of one of the sashes, showing a wedge-type lock applied thereto; and

Fig. '7 is a fragmentary side view of one of the lock racks carried by the retaining strips.

The car window structure shown in the drawing is characterized by two side plates 10 which face each other in widely spaced relation and are attached in any suitable manner to the posts 11 45 separating the window openings.

Each of the plates 10 is provided with a projecting portion 12 which forms a guide for the outer face of a sash 13, a detachable sash-parting strip 14 which forms both a guide for the 5 inner face of the sash 13 and a guide for the outer face of another sash 15, and a detachable curtain-guiding strip 16 which forms a guide for the inner face of the sash 15. The strips 14 and 16 are of channel formation and are cupped 55 against the plates 10 with the outer and inner edges of the strip 14 and the outer edge of the strip 16 seated in shallow grooves 17 in the plate.

The retaining strips 14 and 16 are provided on their backs with lock racks 18 which are arranged obliquely with respect to the inner faces of the sashes 13 and 15 for wedging coaction with the beveled noses 19 of the locks 20 carried by the sashes. The retaining strips are held in place by fasteners 21 which are mounted in apertures 22 in the backs of the strips and are provided with heads 23 which extend through and interlock with keyhole slots 24 in the plate 10. The portions of the fasteners 21 which are exposed through the apertures 22 are provided with notches 25 to present suitable tool or finger-engaging surfaces, and the apertures 22 are vertically elongated to permit the fasteners 21 to be shifted longitudinally of the retaining strips in being moved into or out of latching position. The fasteners 21 are secured in apertures 26 in vertically extending leaf springs 27, and the upper and lower ends of the springs 27 are provided with slots 28 through which headed studs 29 on the strips, extend. The slots 28 and studs 29 permit the fasteners 21 and springs 2'? to move upwardly or downwardly, and the resistance of the springs, 27 to flexing tends to resiliently hold the fasteners 21 against movement toward the plate 10. The heads 23 of the fasteners are provided with beveled surfaces 30, and the lower narrow ends of the keyhole slots 24 are correspondingly countersunk at 31 whereby to permit the heads 23 to seat in the narrow countersunk ends of the slots and yieldingly resist dislodgment.

In order to'latch one of the fasteners 21, the notched end 25 thereof is engaged and shifted into the upper end of the slot 22, in which position the head 23 of the fastener will be in register with the enlarged upper end of the keyhole slot 24 in the plate 10. Then the fastener 21 is pressed toward the plate 10 against the yielding resistance of the spring 27 into a position wherein the head 23 projects through the enlarged end of the slot 24. After this has been done, the fastener 21, with the pressure still applied thereto, is forced downwardly, causing the head 23 to move into an interlocking position opposite the narrow end of the slot 24, in which position, when released, it will snap back into the countersink provided for the same. The fasteners 21 make it easy to either apply or remove the retaining strips, and serve to hold the strips tightly against the plates without permitting any rattling or leaving objectionable openings therebetween. The proper positioning of the retaining strips is insured by studs 32 which are attached to the inside faces of the backs of the retaining strips and project through apertures 33 in the plates.

The sashes 13 and 15 are provided along their vertical edges with U -shaped wear strips 34 which are detachably secured in position by studs 35. The studs are carried by the backs of the wear strips and project through apertures in the sashes into vertically interlocking relation with the latter. The Wear strips are preferably made of sheet spring brass and hug the sash when applied thereto. The outer edges of the wear strips are provided with outwardly turned flanges 36. The flange on the wear strip on the outer sash 13 projects beyond the surface 37 on the projecting plate portion 12, while the flange on the wear strip on the inner sash 15 projects beyond the surface 38 on the retaining strip 14, whereby to provide weatherproofing shields. The wear strips 34 are provided on the outer portions thereof with thin spring brass strips 39 which bear resiliently against the above mentioned guide surfaces 37 and 38, and are also provided, alongside the strips 39, with pile fabric strips 40 which are rranged with the pile directed outwardly into substantially perpendicular engagement with opposed guide surfaces 41 and 42 presented respectively by the projecting portion 12 of the plate and the inner wall of the retaining strip 14. The spring strips 39 and the pile fabric strips 40 are pressed outwardly against the opposed guide sur faces by the outwardly wedging action of the locks 20, whereby to produce a weatherproof and noiseless form of engagement therewith while permitting the sashes to be easily released and raised or lowered.

Each of the lock racks 18 is provided with a long series of closely arranged recesses 43 into two of which the bifurcated nose 19 of the lock is adapted to project. The recesses are provided with abrupt top and bottom walls 44 which prevent the sash from being either raised or lowered except when the lock is released. The front faces of the teeth 45 which are formed between the recesses 43 are undercut at an inclination. The inclination referred to permits the spring-pressed nose of the lock to quickly work its way outwardly into the recesses 43 when the sash is dropped, but such inclination is not carried far enough back to eliminate or interfere in any way with the interlocking function of the top walls of the recesses.

I claim:

1. In sash construction, the combination with a vertically slidable sash, and a guide therefor, of a strip of pile fabric attached to the sash against one face thereof with the pile projecting perpendicularly therefrom into engagement with an opposed surface of the guide.

2. In sash construction, the combination with a vertically slidable sash, and a guide therefor, of a wear strip attached to the sash, a thin spring metal strip carried by the wear strip in resilient engagement with a portion of the guide, and a soft fabric strip also carried by the wear strip in engagement with another portion of the guide.

3. In sash construction, a frame, guides at the sides of the frame, a sash slidably mounted in the guides, and two closely spaced weather strips between the outer face of each side of the sash and the opposed wall of each guide.

4. In sash construction, a frame, guides at the sides of the frame, a sash slidably mounted in the guides, and two closely spaced weather strips between the outer face of each side of the sash and the opposed wall of each guide, the exposed weather strip at each side of the sash being of spring metal construction, and the other weather strip at each side being of soft fibrous construc tion.

5. In sash construction, a frame, guides at the sides of the frame, a sash slidably mounted in the guides, two closely spaced weather strips between the outer face of each side of the sash and the opposed wall of each guide, and a wear strip at each side of the sash on which the two Weather strips are mounted.

S. In sash construction, a frame, guides at the sides of the frame, a sash slidably mounted in the guides, two closely spaced weather strips between the outer face of each side of the sash and the opposed wall of each guide, and a wear strip at each side of the sash on which the two weather strips are mounted, each of said wear strips being provided with an outwardly extending flange which shields the bearing surface of the exposed weather strip.

7. In sash construction, a frame, guides at the sides of the frame, a sash slidably mounted in the guides, two closely spaced weather strips between the outer face of each side of the sash and the opposed wall of each guide, and a wear strip at each side of the sash on which the two weather strips are mounted, each of said wear strips being constructed of spring metal and being arranged to embrace the associated edge of the sash in resiliently yieldable vertically interlocked engagement therewith.

WILLIAM S. HAMM. 

